Devise

Devise is a software library used in web development to manage user authentication. It provides tools to easily implement features like user registration, login, password recovery, and session management. By handling these common security tasks, Devise helps developers securely and efficiently control access to their websites or applications, ensuring that only authorized users can view certain content or perform specific actions. Essentially, it simplifies the complex process of user authentication, allowing developers to focus on building core features while maintaining strong security standards.